99168829 has 2 divisors, whose sum is σ = 99168830. Its totient is φ = 99168828.

The previous prime is 99168827. The next prime is 99168857. The reversal of 99168829 is 92886199.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94128804 + 5040025 = 9702^2 + 2245^2 .

It is a cyclic number.

It is not a de Polignac number, because 99168829 - 2¹ = 99168827 is a prime.

Together with 99168827, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99168827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49584414 + 49584415.

It is an arithmetic number, because the mean of its divisors is an integer number (49584415).

Almost surely, 2^99168829 is an apocalyptic number.

It is an amenable number.

99168829 is a deficient number, since it is larger than the sum of its proper divisors (1).

99168829 is an equidigital number, since it uses as much as digits as its factorization.

99168829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 52.

The square root of 99168829 is about 9958.3547335893. The cubic root of 99168829 is about 462.8693192294.

The spelling of 99168829 in words is "ninety-nine million, one hundred sixty-eight thousand, eight hundred twenty-nine".